Special Issue "Solid Waste Management in a Life Cycle Analysis Perspective"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: 30 June 2023 | Viewed by 2231

Special Issue Editors

Associated Laboratory for Green Chemistry (LAQV / REQUIMTE), Department of Chemistry (DQ), Faculty of Sciences and Technology (FCT), Universidade Nova de Lisboa (UNL), 2829-516 Caparica, Portugal
Interests: biogas; biomethane; bioH2; pyrolysis; biochars; activated carbons; life cycle analysis
Special Issues, Collections and Topics in MDPI journals
Grupo de Reação e Análise Química, LAQV-REQUIMTE, Instituto Superior de Engenharia do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal
Interests: life cycle analysis; environmental and economic sustainability; wastewater treatment; advanced oxidation processes; emerging contaminants; anaerobic digestion; biofuels

Special Issue Information

Dear Colleagues,

Solid Waste Management is facing new challenges that require new management models that may contribute to an effective material recovery (organics, metals, plastics, glass, paper and cardboard, textiles, among others), create new business models in the spirit of the Circular Economy, and generate new forms of energy, such as biomethane, bioH2, bioethanol, biomethanol, syngas, pyrolysis oils, among others. In any case, the new solid waste management models and future scenarios must comprise low environmental burdens in all their dimensions: Global Warming, Ecotoxicity, Toxicity to Human Populations, Acidification Potential, Eutrophication Potential, Renewable Energy Production, Scarcity of Fossil and Mineral Resources, Land Use Change, among others. In this context, the Life Cycle Analysis (LCA) appears as an important tool for the environmental assessment of the old, the new, and the future solid waste management models that are currently in practice, being implemented, or being designed, respectively, in Developed and Developing countries.

In this context, this special issue is devoted to gathering high-quality and original LCA studies in current and future solid waste management systems of the following types but not limited to:

  • Municipal solid wastes, including both the recyclable and non-recyclable fractions of plastics, cardboard, paper, metals, glass, textiles, and food wastes;
  • Wastes from water and wastewater treatment (wastewater treatment sludge and water treatment sludge);
  • Wastes from thermal processes (bottom ashes, fly ashes, and slags);
  • Electric and electronic wastes;
  • Construction, refurbishment, and demolition wastes of civil engineering activities;
  • Health-care and medical wastes;
  • Wastes from vehicles’ maintenance and end-of-life vehicles;
  • Industrial wastes from the mining and quarry industry, chemical industry, textile industry, animal breeding industry, agro-food industry, and food processing industry;
  • Plastic Wastes
  • Agriculture and forest wastes.

In the context of the Circular Economy, Cradle-to-cradle LCA studies are preferred, but LCA studies of the types cradle-to-grave, cradle-to-gate, and gate-to-gate can also be considered in this special issue.

LCA studies contributing to the reduction of Greenhouse Gas emissions from solid waste management systems are also welcomed.

Prof. Dr. Nuno Lapa
Dr. Elena Surra
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2300 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • life cycle analysis
  • solid waste management
  • municipal wastes
  • industrial wastes
  • agriculture wastes
  • forest wastes
  • circular economy

Published Papers (2 papers)

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Research

Article
Technical, Environmental, and Cost Assessment of Granite Sludge Valorisation
Appl. Sci. 2023, 13(7), 4513; https://doi.org/10.3390/app13074513 - 02 Apr 2023
Viewed by 581
Abstract
The granite sludge (GS) produced during block sawing can be exploited as alternative raw material in ceramic and concrete industries. Based on the case study of a Portuguese granite processing plant, this work analysed, by experimental tests and Environmental and Cost Life Cycle [...] Read more.
The granite sludge (GS) produced during block sawing can be exploited as alternative raw material in ceramic and concrete industries. Based on the case study of a Portuguese granite processing plant, this work analysed, by experimental tests and Environmental and Cost Life Cycle analyses, the feasibility of GS valorisation as a substitute (i) for feldspar in a ceramic paste and (ii) fine–medium inert filler in structural concrete. The results demonstrated that both the valorisation pathways are more advantageous than GS landfilling. Due to granulometric, mineralogical composition and shrinkage, GS can substitute feldspar in sandstone tiles or tableware products, although its tinting effect can limit noble whitish ceramic applications. In structural concrete mixes, 5% w/w GS instead of fine inert filler reduces the compressive strength and increases the water:cement ratio. The GS generates lower environmental impacts as a substitute for inert filler than as a substitute for feldspar in most of the impact categories analysed, even though the latter valorisation pathway provides higher benefits in Climate Change and the Depletion of Fossil resources, Water, and Ozone. If no monetary value is recognised for GS valorisation by the market, the sustainability of GS life cycle cost decreases when compared to its landfilling. Full article
(This article belongs to the Special Issue Solid Waste Management in a Life Cycle Analysis Perspective)
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Article
Combined Use of an Information System and LCA Approach to Assess the Performances of a Solid Waste Management System
Appl. Sci. 2023, 13(2), 707; https://doi.org/10.3390/app13020707 - 04 Jan 2023
Viewed by 1102
Abstract
A municipal solid waste information system, named W-MySir, is utilised to acquire high-quality data to implement an attributional life-cycle assessment (LCA) focused on the evolution of the environmental performances of municipal solid waste management in a specific area. The main aim was to [...] Read more.
A municipal solid waste information system, named W-MySir, is utilised to acquire high-quality data to implement an attributional life-cycle assessment (LCA) focused on the evolution of the environmental performances of municipal solid waste management in a specific area. The main aim was to investigate how this combined approach can be used for monitoring progress of the management scheme toward important targets, such as being CO2-neutral, increasing the circularity of the service, and planning a transparent approach to cost evaluation. The analysis was applied to the municipality of Procida, one of the three islands of Naples Bay (Italy), and focused on the last ten years of activity of the local solid waste service. The results of the life cycle impact assessment are reported in terms of the main impact categories. They indicate a positive evolution of the environmental performances, with improvements of up to 140% for global warming potential. The positive results are mainly due to the large increase in household source separation and separate collection in Procida during the period under analysis, together with the availability of a more integrated and sustainable regional system of solid waste management. Further improvements may be achieved through better performance at the sorting and remanufacturing stages of dry recyclable fractions and the availability of anaerobic digestion units to produce biomethane from organic fractions of municipal solid waste. The combined approach indicates potential further benefits for both the tools: LCAs could provide reliable results in shorter times; information systems could offer a wider spectrum of services for monitoring and planning waste management systems in a sustainable way. Full article
(This article belongs to the Special Issue Solid Waste Management in a Life Cycle Analysis Perspective)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Evaluation of the physical, mechanical and calorific properties of briquettes made of wheat (Triticum aestivum L) straw
Author: Lunguleasa
Highlights: - The density of briquettes made of wheat straw was comparable to that of the usual wood species used as firewood; - The calorific value per hectare of cultivated wheat brings an increase in renewable and sustainable energy

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